Pith Number

pith:2IDHNYHA

pith:2011:2IDHNYHA6DAZUGDHAJ6ZPUR54R

not attested not anchored not stored refs pending

Ellipsoid embeddings and symplectic packing stability

Olguta Buse, Richard Hind

arxiv:1112.1149 v1 · 2011-12-06 · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IDHNYHA6DAZUGDHAJ6ZPUR54R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:53:19.078247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20676e0e0f0c19a1867027d97d23de47fb161e5fcb627a8ed3a8bc717fc5538

Aliases

arxiv: 1112.1149 · arxiv_version: 1112.1149v1 · doi: 10.48550/arxiv.1112.1149 · pith_short_12: 2IDHNYHA6DAZ · pith_short_16: 2IDHNYHA6DAZUGDH · pith_short_8: 2IDHNYHA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2IDHNYHA6DAZUGDHAJ6ZPUR54R \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d20676e0e0f0c19a1867027d97d23de47fb161e5fcb627a8ed3a8bc717fc5538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "742da4fea846568c1d0b0f9153e5e0a5731d108213c927c6a165b1735d7201aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-12-06T03:26:44Z",
    "title_canon_sha256": "8a2208c4635cf9ee896bffa5c5361afdda0df6e166f46a64345e7ab6724632b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1149",
    "kind": "arxiv",
    "version": 1
  }
}